Alert archive / Tennessee / Tornado Warnings in 2021

Tornado Warning 8, NWS Morristown, TN

October 6, 2021Bledsoe County, Tennessee

NWS Morristown, TN issued this tornado warning at Oct 6, 2021, 4:47 PM CDT for Bledsoe County, Tennessee. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 6, 2021, 4:47 PM CDT (21:47 UTC)
Expired
Oct 6, 2021, 5:16 PM CDT
In force
29 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Bledsoe County, TN

The radar

The Northeast Alabama radar (KHTX), 122 km from the middle of the area, began a volume at 21:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 6, 2:53 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.8 hours before the alert went out and 136 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-10-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1243 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

710 
WFUS54 KMRX 062147
TORMRX
TNC007-062230-
/O.NEW.KMRX.TO.W.0008.211006T2147Z-211006T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Morristown TN
447 PM CDT Wed Oct 6 2021

The National Weather Service in Morristown has issued a

* Tornado Warning for...
  North central Bledsoe County in east Tennessee...

* Until 530 PM CDT.
    
* At 447 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Pikeville, moving north at 15 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  north central Bledsoe County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3575 8526 3576 8526 3577 8525 3577 8510
      3576 8509 3576 8507 3577 8506 3560 8507
      3558 8517 3575 8527
TIME...MOT...LOC 2147Z 162DEG 12KT 3562 8514 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Diegan
2 follow-up statements
337 
WWUS54 KMRX 062159
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
459 PM CDT Wed Oct 6 2021

TNC007-062230-
/O.CON.KMRX.TO.W.0008.000000T0000Z-211006T2230Z/
Bledsoe TN-
459 PM CDT Wed Oct 6 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR NORTH
CENTRAL BLEDSOE COUNTY...
    
At 459 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Pikeville, moving north at 25 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
north central Bledsoe County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3575 8526 3576 8526 3577 8525 3577 8510
      3576 8509 3576 8507 3577 8506 3566 8507
      3565 8521 3575 8527
TIME...MOT...LOC 2159Z 169DEG 24KT 3572 8515 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Diegan
087 
WWUS54 KMRX 062216
SVSMRX

Severe Weather Statement
National Weather Service Morristown TN
516 PM CDT Wed Oct 6 2021

TNC007-062226-
/O.CAN.KMRX.TO.W.0008.000000T0000Z-211006T2230Z/
Bledsoe TN-
516 PM CDT Wed Oct 6 2021

...THE TORNADO WARNING FOR NORTH CENTRAL BLEDSOE COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for east
Tennessee.

LAT...LON 3575 8526 3576 8526 3577 8525 3577 8510
      3576 8509 3576 8507 3577 8506 3566 8507
      3565 8521 3575 8527
TIME...MOT...LOC 2215Z 162DEG 12KT 3577 8517 

$$

Diegan

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 6, 8:35 AM CDTSpecial Weather StatementMRXMarion25 min
Oct 6, 9:17 AM CDTAreal Flood AdvisoryMRXMarion2 hr
Oct 6, 10:13 AM CDTAreal Flood AdvisoryMRXMarion, Sequatchie102 min
Oct 6, 12:02 PM CDTAreal Flood AdvisoryMRXBledsoe, Hamilton, Sequatchie3 hr
Oct 6, 2:59 PM CDTAreal Flood AdvisoryMRXBledsoe, Hamilton, Marion, Sequatchie3 hr
Oct 6, 3:32 PM CDTFlash Flood WarningMRXBledsoe, Sequatchie9 hr
Oct 6, 4:44 PM CDTSpecial Weather StatementMRXBledsoe46 min

Nearby

Tornado Warnings in Tennessee, 2021Every tornado warning in 2021Tornadoes in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.